This public‑sector construction contract involves renovating classrooms at Smithton Middle School in Columbia, Missouri, with a mechanical component that includes a Dedicated Outside Air System (DOAS). Four contractors submitted base bids ranging from $429,000 to $467,500; the award was made to GBH Builders, Inc., which also secured the alternate DOAS manufacturer, Captive Air, resulting in a discounted total of $395,800. The scope covers general classroom renovation, interior finishes, and the installation of a specialized HVAC system.
• Primary contractor: GBH Builders, Inc.
• Alternate HVAC manufacturer: Captive Air (provides a $33,200 discount on the DOAS unit)
• Contract value after alternate adjustment: approximately $396 k
• Project location: Smithton Middle School, Columbia, MO
• Procurement method: competitive bidding with multiple vendors submitted.